146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
#include "view_i.h"
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View* view_alloc() {
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View* view = furi_alloc(sizeof(View));
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return view;
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}
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void view_free(View* view) {
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furi_assert(view);
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view_free_model(view);
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free(view);
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}
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void view_set_dispatcher(View* view, ViewDispatcher* view_dispatcher) {
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furi_assert(view);
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furi_assert(view_dispatcher);
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furi_assert(view->dispatcher == NULL);
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view->dispatcher = view_dispatcher;
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}
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void view_set_draw_callback(View* view, ViewDrawCallback callback) {
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furi_assert(view);
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furi_assert(view->draw_callback == NULL);
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view->draw_callback = callback;
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}
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void view_set_input_callback(View* view, ViewInputCallback callback) {
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furi_assert(view);
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furi_assert(view->input_callback == NULL);
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view->input_callback = callback;
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}
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void view_set_previous_callback(View* view, ViewNavigationCallback callback) {
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furi_assert(view);
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view->previous_callback = callback;
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}
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void view_set_next_callback(View* view, ViewNavigationCallback callback) {
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furi_assert(view);
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view->next_callback = callback;
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}
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void view_set_context(View* view, void* context) {
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furi_assert(view);
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furi_assert(context);
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view->context = context;
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}
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void view_allocate_model(View* view, ViewModelType type, size_t size) {
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furi_assert(view);
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furi_assert(size > 0);
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furi_assert(view->model_type == ViewModelTypeNone);
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furi_assert(view->model == NULL);
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view->model_type = type;
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if(view->model_type == ViewModelTypeLockFree) {
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view->model = furi_alloc(size);
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} else if(view->model_type == ViewModelTypeLocking) {
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ViewModelLocking* model = furi_alloc(sizeof(ViewModelLocking));
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model->mutex = osMutexNew(NULL);
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furi_check(model->mutex);
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model->data = furi_alloc(size);
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view->model = model;
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} else {
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furi_assert(false);
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}
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}
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void view_free_model(View* view) {
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furi_assert(view);
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if(view->model_type == ViewModelTypeNone) {
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return;
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} else if(view->model_type == ViewModelTypeLockFree) {
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free(view->model);
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} else if(view->model_type == ViewModelTypeLocking) {
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ViewModelLocking* model = view->model;
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furi_check(osMutexDelete(model->mutex) == osOK);
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free(model->data);
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free(model);
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view->model = NULL;
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} else {
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furi_assert(false);
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}
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}
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void* view_get_model(View* view) {
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furi_assert(view);
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if(view->model_type == ViewModelTypeLocking) {
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ViewModelLocking* model = (ViewModelLocking*)(view->model);
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furi_check(osMutexAcquire(model->mutex, osWaitForever) == osOK);
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return model->data;
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}
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return view->model;
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}
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void view_commit_model(View* view) {
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furi_assert(view);
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view_unlock_model(view);
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if(view->dispatcher) {
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view_dispatcher_update(view->dispatcher, view);
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}
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}
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void view_unlock_model(View* view) {
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furi_assert(view);
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if(view->model_type == ViewModelTypeLocking) {
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ViewModelLocking* model = (ViewModelLocking*)(view->model);
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furi_check(osMutexRelease(model->mutex) == osOK);
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}
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}
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void view_draw(View* view, Canvas* canvas) {
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furi_assert(view);
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if(view->draw_callback) {
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void* data = view_get_model(view);
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view->draw_callback(canvas, data);
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view_unlock_model(view);
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}
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}
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bool view_input(View* view, InputEvent* event) {
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furi_assert(view);
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if(view->input_callback) {
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return view->input_callback(event, view->context);
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} else {
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return false;
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}
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}
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uint32_t view_previous(View* view) {
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furi_assert(view);
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if(view->previous_callback) {
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return view->previous_callback(view->context);
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} else {
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return VIEW_IGNORE;
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}
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}
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uint32_t view_next(View* view) {
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furi_assert(view);
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if(view->next_callback) {
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return view->next_callback(view->context);
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} else {
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return VIEW_IGNORE;
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}
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}
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